215490638 is an even 9-digits composite number following 215490637
and preceding 215490639 . In scientific notation, it is written as 2.15490638 × 10^8.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 97950280 positive integers (up to 215490638) that are relatively prime to 215490638.
215490638 has 8 divisors, whose sum is 352621080
The reverse of 215490638 is 836094512
Previous prime number is 11
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
two hundred fifteen million four hundred ninety thousand six hundred thirty-eight
Scientific notation
2.15490638 × 10^8
Engineering notation
2.15490638 × 10^6
Prime Factorization
2 × 11 × 9795029
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
215490638
Product of the distinct prime numbers
The prime factorization of 215490638 is 2 × 11 × 9795029.
Since it has a total of 3 prime factors.
10 , 8 , 24 , 85 , 528 , 364 , 7058 , 3188 , 96485 , 95561 , 238275 , 107771 , 2316346 , 7016006 , 92029443 , 64390864 , 68917204 , 365635992 , 678459247 , 6421464407
n×2
430981276
n×3
646471914
n×4
861962552
n×5
1077453190
n÷2
107745319
n÷3
71830212.666667
n÷3
53872659.5
n÷5
43098127.6
n2
46436215065647044
n3
1.0006569610801E+25
n4
2.156322069623E+33
n5
4.6466721851655E+41
2 √n
14679.599381455
3 √n
599.52799730498
4 √n
121.15939658753
5 √n
46.417920608619
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-215490637
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 215490638 can be divided by 8 positive divisors.
The sum of these divisors (counting 215490638) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100110110000010000001001110
3
Ternary
120000111001120202
4
Quaternary
30312002001032
5
Quinary
420131200023
6
Senary
33214413502
8
Octal
1466020116
10
Decimal
215490638
12
Duodecimal
60201292
16
Hexadecimal
cd8204e
20
Vigesimal
376g6bi
36
Base36
3kapn2
md5
7f034521944f4f141667935ca4e2181e
sha1
867ef44481cf440bdfb88081a200e66bea784803
sha256
048c64e0d4a22428f1e4798804423e585eaf169edde21120460be5142c85bce5
sha512
83a698017bdb0bd53845cf776f9c384334df1d61046784ed76ccef3ad06437cf6ea6169a9c01df3078de1128cf0698c6e64b9890675b8c2bc5eb4e8db4a357bd
ripemd-160
86d090ef11448d3a696ffa4f0d51f0f0d608d53a
Diameter
430981276
Circumference
1353967610.5164
Area
1.4588367211075E+17
Volume
4.1915420769238E+25
Surface area
5.8353468844301E+17
Circumference
1353967610.5164
Perimeter
861962552
Area
46436215065647044
Diagonal
304749782.82403
Surface area
278617290393882264
Volume
1.0006569610801E+25
Space diagonal
373240733.57143
Perimeter
646471914
Area
2.0107470951224E+16
Altitude
186620366.78572
Surface area
2.0107470951224E+16
Volume
1.1792855380355E+24
Height
101583260.94134